You dont
You ll get for not jailbroken . Factory unlock will sell for more.
You can get free ringtones for a non jailbroken iPhone 4, 16gb online at mobyware.net.
No, you can even unlock the iPhone when Jailbroken.
Yes you can.If you have an jailbroken iphone you can get it for free
Yes but your iphone has to be jailbroken and have Cydia.
no
A "cracked iPhone" could either be an iPhone with a cracked screen. Or a, as more commonly called, "jailbroken iPhone".
Yes, you need an unlocked & Jailbroken iPhone. Which isn't cheap.
You need to be plugged into iTunes to update the latest software and it isn't always recommended for those that are Jailbroken.
You don't need to be jailbroken now that the iPhone supports most carriers. The iPhone 4 is physically unable to switch from GSM to CDMA carriers anway.
No This is not possible as the iPhone Does Not Have A Mouse And Has To Be An Application Created With The iPhone SDK.
Not if you are in Canada or the U.S.A. right now.